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| author | Eric S. Raymond <esr@thyrsus.com> | 2011-04-21 05:42:43 -0400 |
|---|---|---|
| committer | Eric S. Raymond <esr@thyrsus.com> | 2011-04-21 05:42:43 -0400 |
| commit | 279ddb6ebbb4c01a2ebf306bab227df09f12fb96 (patch) | |
| tree | e8c3c5c36593df8cd748202b4a9cc6bcb1e6fd58 /gpsdecode.xml | |
| parent | 9fa0d5a5f41dd298d73051458189536dfe8f4ccd (diff) | |
| download | gpsd-279ddb6ebbb4c01a2ebf306bab227df09f12fb96.tar.gz | |
Inplement -t option of gpsdecode for type filtering.
Intended mainly for selective reports from very large AIS logs.
Diffstat (limited to 'gpsdecode.xml')
| -rw-r--r-- | gpsdecode.xml | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gpsdecode.xml b/gpsdecode.xml index b32488e6..70b49dc9 100644 --- a/gpsdecode.xml +++ b/gpsdecode.xml @@ -26,6 +26,7 @@ BSD terms apply: see the file COPYING in the distribution root for details. <arg choice='opt'>-d</arg> <arg choice='opt'>-e</arg> <arg choice='opt'>-j</arg> + <arg choice='opt'>-t <replaceable>typelist</replaceable></arg> <arg choice='opt'>-u</arg> <arg choice='opt'>-v</arg> <arg choice='opt'>-D <replaceable>debuglevel</replaceable></arg> @@ -72,6 +73,12 @@ encode JSON on standard input to JSON on standard output. This option is only useful for regression-testing of the JSON dumping and parsing code.</para> +<para>The <option>-t</option> accepts a comma-separated list of +numeric types. Packets with a numeric AIS, RTCM2, or RTCM3 type are +passed through and output only if they match a type in the +list. Packets of other kinds (in particular GPS packets) are +passed through unconditionally.</para> + <para>The <option>-u</option> suppresses scaling of AIS data to float quantities and text expansion of numeric codes. A dump with this option is lossless.</para> |